A decollete or décolletage (in French language) is a very common term used in Europe since 11th century and even portrait of Mona Lisa shows decollete. OK, very small decollete. Today it is a good way for stars (womens only?) to get some points and get new fans. While the word decollete means to show the neck, women used to show much more. Superstar divas known how to conquer men hearth and here is small chart.